Towles, 27, posted a .184/.256/.293 line in 165 plate appearances with the Astros this past season. His career line is .187/.267/.315, though he picked up just 484 plate appearances over the course of five seasons in Houston. Like Rene Rivera, another recent minor league signing, Towles provides depth behind the plate. Pearce, 28, has MLB experience at all four corner positions. He posted a .202/.260/.255 line in 105 plate appearances for the Pirates in 2011.